Yamaha-DVC6860-dvd-sm 维修电路原理图.pdf

SERVICE MANUALThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are alreadyknown and understood by the users, and have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personalinjury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHARetailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification orrecognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and servicedepartments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable andspecifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact thedistributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.IMPORTANT NOTICE101004SERVICE MANUALDV-C6860DVD PLAYER 2006 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without permission.DV-C6860I CONTENTSTO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . .23PREVENTION OF ELECTROSTATIC DISCHARGE . . . 4LOCALE MANAGEMENT INFORMATION . . . . . . . .4FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5REAR PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . .5SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .6DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7REPAIR NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8DISASSEMBLY PROCEDURES . . . . . . . . . . . . . .910BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .11PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . .1221SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . .2230REPLACEMENT PARTS LIST . . . . . . . . . . . . . .313206. 02For U modelRadioFans.CN 收音机爱 好者资料库DV-C68602DV-C6860I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked Zand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohmsshunted by 0.15F.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in bothpolarities.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possiblyother entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASONWHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes tosolder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.WARNING: Laser SafetyThis product contains a laser beam component. This component may emit invisible, as well as visible radia-tion, which may cause eyedamage. To protect your eyes and skin from laser radiation, the following pre-cautions must be used during servicing of the unit.1) When testing and/or repairing any component within the product, keep your eyes and skin more than 30 cm away from the laser pick-upunit at all times. Do not stare at the laser beam at any time.2) Do not attempt to readjust, disassemble or repair the laser pick-up, unless noted elsewhere in this manual.3) CAUTION : Use of controls, adjustments or perform-ance of procedures other than those specified herein may result in hazardousradiation exposure.Laser Emitting conditions:1) When the Top Cover is removed, and the STANDBY/ ON SW is turned to the “ON” position, the laser compo-nent will emit a beam forseveral seconds to detect if a disc is present. During this time (510 sec.) the laser may radiate through the lens of the laser pick-up unit.Do not attempt any servicing during this period! If no disc is detected, the laser will stop emitting the beam. When a disc is loaded, youwill not be exposed to any laser emissions.2) The laser power level can be adjusted with the VR on the pick-up PWB, however, this level has been set by the factory prior to shippingfrom the factory. Do not adjust this laser level control unless instruction is provided elsewhere in this manual. Adjustment of this con-trolcan increase the laser emission level from the device.Laser Diode PropertiesType:Semiconductor laser GaAlAsWave length:650 nm (DVD)780 nm (VCD/CD)Output Power:7 mW (DVD/VCD/CD)Beam divergence60 degreeVARO! :AVATTAESSA JA SUOJALUKITUSOHITETTAESSA OLET ALTTIINANKYMTTMLLE LASER-STEILYLLE.L KATSO STEESEEN.VARNING! :OSYNLIG LASERSTRLNING NR DENNADEL R PPNAD OCH SPRREN RURKOPPLAD. BETRAKTA EJ STRLEN.AC LEAKAGETESTER OREQUIVALENTEQUIPMENTUNDER TESTINSULATINGTABLEWALLOUTLETRadioFans.CN 收音机爱 好者资料库DV-C68603DV-C6860WARNINGThe use of optical instruments with this product will increase eye hazard.Repair handling should take place as much as possible with a disc loaded inside the player.Warning for power supplyThe primary side of the power supply carries live mains voltage when the player is connected to the mains even when theplayer is switched off !This primary area is not shielded so it is possible to touch copper tracks and/or components when servicing the player.Service personnel have to take precautions to prevent touching this area or components in this area.Note:The screws on the DVD mechanism may never be touched, removed or re-adjusted.Handle the DVD mechanism with care when the unit has to be exchanged!The DVD mechanism is very sensitive for dropping or giving shocks.CLASS 1 LASER PRODUCTLASER KLASSE 1 PRODUKTLUOKAN 1 LASERLAITEKLASS 1 LASER APPARATPRODUIT LASER DE CLASSE 1CLASS 1 LASER PRODUCTLASER KLASSE 1 PRODUKTLUOKAN 1 LASERLAITEKLASS 1 LASER APPARATPRODUIT LASER DE CLASSE 1CAUTION VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAMADVARSEL SYNLIG OG USYNLIG LASERSTRLING VED BNING UNDG UDSTTELSE FOR STRLINGADVARSEL SYNLIG OG USYNLIG LASERSTRLING NR DEKSEL PNES UNNG EKSPONERING FOR STRLENVARNING SYNLIG OCH OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD BETRAKTA EJ STRLENVARO ! AVATTAESSA OLET ALTTIINA NKYVLLE JA NKYMTTMLLE LASER STEILYLLE, L KATSO STEESEENVORSICHT SICHTBARE UND UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEFFNET NICHT DEM STRAHL AUSSETSENDANGER VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAMATTENTION RAYONNEMENT LASER VISIBLE ET INVISIBLE EN CAS DOUVERTURE EXPOSITION DANGEREUSE AU FAISCEAUDV-C68604DV-C686014422236555This product incorporates copyright protectiontechnology that is protected by method claims ofcertain U.S. patents and other intellectual propertyrights owned by Macrovision Corporation and otherrights owners. Use of this copyright protectiontechnology must be authorized by MacrovisionCorporation, and is intended for home and other limitedviewing uses only unless otherwise authorized byMacrovision Corporation. Reverse engineering ordisassembly is prohibited.I LOCALE MANAGEMENT INFORMATIONLocale Management Information : This DVD player is designed and manufactured to respond to the Locale Management Information thatis recorded on a DVD disc. If the Locale number described on the DVD disc does not correspond to the Locale number of this DVDplayer, this DVD player cannot play this disc.I PREVENTION OF ELECTROSTATIC DISCHARGEThe laser diode in the DVD mechanism may be damaged due to static electricity from clothes or the human body. Use caution toprevent electrostatic damage when servicing or handling the DVD-mechanism.1. Grounding for electrostatic damage prevention1. Worktable groundingPut a grounded conductive material (sheet) or iron sheet on the area where the optical pickup is placed.2. Human body groundingUse an anti-static wrist strap to discharge the static electricity from your body.2. Handling of the optical pickup1. To prevent damage to the optical pickup replacement parts during transportation and before installation,both ends of the laserdiode are short-circuited.After installing the new part,remove the short circuit according to the correct procedure in thisservice manual.2. Do not use a tester to check the laser diode in the optical pickup.The power supply in the tester will damage the laser diode.3. Handling Precautions for the Traverse Unit (Optical Pickup)1. Handle the traverse unit (optical pickup)gently,as it is an extremely high-precision assembly.2. The flexible cable lines may break if an excessive force is applied to it.Use caution when handling the cable.3. The semi-fixed resistor for laser power adjustment should not be adjusted.Do not turn the resistor.1MConductive material(sheet) or steel sheetAnti-static wrist strapDV-C68605DV-C6860I REAR PANELI FRONT PANELI REMOTE CONTROLDV-C68606DV-C6860I SPECIFICATIONSG PLAYBACK SYSTEMDVD-VideoVideo CD & SVCDCDPICTURE CDCD-R, CD-RWDVD+R, DVD+RWDVD-R, DVD-RWG VIDEO PERFORMANCEVideo (CVBS) output1 Vpp into 75 ohmsS-Video outputY: 1 Vpp into 75 ohmsC: 0.3 Vpp into 75 ohmsComponent video outputY: 1 Vpp into 75 ohmsPB/CB PR/CR:0.7 Vpp into 75 ohmsBlack level shiftOn/OffG TV STANDARD (PAL/50 Hz) (NTSC/60 Hz)Number of lines625525PlaybackMultistandard(PAL/NTSC)G AUDIO FORMATDigital Mpeg/ Dolby Digital/ Compressed DigitalDTSPCM16, 20, 24 bitsfs, 44.1, 48, 96 kHzMP3(ISO 9660)24, 32, 56, 64, 96, 128,256 kbpsfs, 16, 22.05, 24, 32, 44.1,48 kHzWMA32192 kbps, mono, stereoAnalog SoundStereoG AUDIO PERFORMANCEDA Converter24 bitSignal-Noise (1 kHz)115 dBDynamic range (1 kHz)100 dBDVDfs 96 kHz2 Hz- 44 kHzfs 48 kHz2 Hz- 22 kHzSVCDfs 48 kHz2 Hz- 22 kHzfs 44.1 kHz2 Hz- 20 kHzCD/VCDfs 44.1 kHz2 Hz- 20 kHzDistortion and Noise (1 kHz)0.0035%G CONNECTIONSY outputCinch (green)PB/CB outputCinch (blue)PR/CR outputCinch (red)S-Video outputMini DIN, 4 pinsVideo outputCinchAudio output (L+R)CinchDigital output1 coaxialIEC60958 for CDDA / LPCMIEC61937 for MPEG 1/2,Dolby Digital and DTSG GENERALDimensions (w x h x d)435 x 75 x 425 mm(17-1/8” x 3” x 16-3/4”)WeightApprox. 5.5 Kg (12 lbs 2 oz)FinishBlack colorU modelSilver colorU modelPower SupplyPower inletU model120 V, 60 HzPower usageApprox. 15 WPower usage standby 1 WG ACCESSORIESRemote control x1Batteries x 2Audio/video cable x1* Specifications subject to change without notice.Manufactured under license from DolbyLaboratories.“Dolby” and the double-D symbol are trademarksof Dolby Laboratories.“DTS” and “DTS Digital Out” are trademarks ofDigital Theater Systems, Inc.DV-C68607DV-C6860I DIMENSIONSI INTERNAL VIEW1POWER SUPPLY UNIT2DVD 5-DISC CHANGER MODULE3AV P.C.B.4MONO P.C.B.5BRACKET FRONT6FRONT (2) STANDBY/ON P.C.B.7FRONT (1) DISPLAY P.C.B.8FRONT (3) OPEN/CLOSE P.C.B.75(3”)425 (16-3/4”)435 (17-1/8”)Unit: mm (inch)12467853DV-C68608DV-C6860I REPAIR NOTES1. DVD 5-Disc Changer ModuleThe DVD 5-disc changer module consists of the CM unit and tray assy. The DVD 5-disc changer module is supplied as awhole. Neither the CM unit nor tray assy can be supplied independently.2. Power Supply UnitThe power supply unit has to be replaced in case of failure.3. PCB AssemblyWhen a failure has occurred in the PCB assembly, replace each P.C.B.DV-C68609I DISASSEMBLY PROCEDURESSee exploded view for item numbersMountingDismountingFRONT (3) Open/Close P.C.B 1200 Remove cable connections. 1112 Remove 5 screws. 252 Dismount P.C.B.FRONT (2) Standby/ON P.C.B 1200Remove cable connections. 1113 Remove 3 screws. 252 Dismount P.C.B.Front Panel 101 Remove 2 screws. 260 (Bracket front to bottom frame)Remove 2 cable connections. CN11111Unlock front panel from frame by releasing successively 4 snaps. (2 on the side and 2 on the bottom)Remove 2 screws. (1) (Fig. 1)Dismount clamper assy. (Fig. 1)Solder the lands of the optical pick up. (Fig. 2)Top Cover 240Remove 7 screws. 260 (4 on side and 3 rear side)Lift top cover from rear side to remove.MONO P.C.B 1300Open tray. (Fig. 3)(See how to manually eject the tray) Remove 5 cable connections. 11011102120112021401Remove 4 screws. 260 (P.C.B to bottom frame) Dismount MONO P.C.B.AV P.C.B 1500Open tray. (Fig. 3)(See how to manually eject the tray) Remove 5 cable connections. 1500 1503 1505 1508 1512Remove 5 screw. 252 (P.C.B to rear panel)Remove 2 screw. 260 (P.C.B to bottom frame)Dismount AV P.C.B.Power Supply Unit 1000Open tray. (Fig. 3) (See how to manually eject the tray) Remove 3 cable connections. CN1 CN3 CN4Remove 2 screws. 260 (P.C.B to bottom frame)Release 2 spacers locking. (P.C.B to bottom frame)Dismount power supply unit.Bracket FrontRemove 4 screws. 252 (Bracket front to front panel)Remove Bracket front.FRONT (1) Display P.C.B 1200 Remove 2 screws. 251 Dismount P.C.B.Tray AssyDVD 5-Disc Changer ModuleRemove stopper screw (2) on the tray. (Fig. 4) (See Removal of tray Assy)Open tray. (Fig. 3) (See how to manually eject the tray)Gently pull the tray out.CM UnitRemove 4 cable connections. 1101120112021512Remove 5 screws. 260Dismount CM unit.1.7 mmT62.7 mmT10When disassembling, use the special screw driver with tip shape in figure.CN4CN115081401150015031512111211111113CN3View BBPower Supply UnitBracket FrontAV BoardMONO Board15051101110212021201FRONT(2) BoardFRONT (3) BoardFRONT (1) Board Cable ConnectionsDV-C686010 Preventive measure for laser diode from electrostatic breakdownWhen replacing the MONO Board or DVD 5-disc changer module, solder between lands of the optical pick up P.C.B. toprotect the laser diode against electrostatic breakdown. How to manually eject the traya.Turn the player bottom up.b. Move the slider in the direction indicated with a screw driver until the tray is ejected.c. Gently pull the tray out.Notes Use an a